Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-542 A O'Fallon MO   829J PAETEC ITEL, LLC 520      
636-542 0 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-542 1 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-542 2 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-542 3 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-542 4 O'Fallon MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-542 5 O'Fallon MO   829J PAETEC ITEL, LLC 520      
636-542 6 O'Fallon MO   829J PAETEC ITEL, LLC 520      
636-542 7 O'Fallon MO OFLNMOXADS0  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-542 8 O'Fallon MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
636-542 9 O'Fallon MO   829J PAETEC ITEL, LLC 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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